ChatGPT vs Gemini: which AI assistants wins in 2026?

We tested ChatGPT and Gemini head-to-head on every criterion in our ai assistants methodology. Here's the verdict.

Verdict

ChatGPT wins overall

Based on 6 ai assistants criteria: ChatGPT wins 2, Gemini wins 1, 3 tied.

ChatGPT
Winner
2
criteria won
Gemini
1
criteria won

Feature-by-feature

CriterionChatGPTGeminiWinner
Consumer $/mo207.99ChatGPT
Top tier $/mo200249.99Gemini
Number of tiers64ChatGPT
Trains on inputs (default)Yes (opt-out)Yes (review policy)โ€”
Multi-model selectionNoNoโ€”
HQ countryUSAUSAโ€”

Total cost of ownership

HorizonChatGPTGeminiCheaper
12 months$240$120Gemini
24 months$480$240Gemini
60 months$1,200$599Gemini